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Dive into the research topics where Xiuhui Hou is active.

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Featured researches published by Xiuhui Hou.


Acta Mechanica Solida Sinica | 2016

Dynamic Crushing Strength Analysis of Auxetic Honeycombs

Xiuhui Hou; Zichen Deng; Kai Zhang

The in-plane dynamic crushing behavior of re-entrant honeycomb is analyzed and compared with the conventional hexagon topology. Detailed deformation modes along two orthogonal directions are examined, where a parametric study of the effect of impact velocity and cell wall aspect ratio is performed. An analytical formula of the dynamic crushing strength is then deduced based on the periodic collapse mechanism of cell structures. Comparisons with the finite element results validate the effectiveness of the proposed analytical method. Numerical results also reveal higher plateau stress of re-entrant honeycomb over conventional hexagon topology, implying better energy absorption properties. The underlying physical understanding of the results is emphasized, where the auxetic effect (negative Poisson’s ratio) induced in the re-entrant topology is believed to be responsible for this superior impact resistance.


Acta Mechanica Solida Sinica | 2010

Transient thermal response in thick orthotropic hollow cylinders with finite length: High order shell theory

Jiaxi Zhou; Zichen Deng; Xiuhui Hou

The transient thermal response of a thick orthotropic hollow cylinder with finite length is studied by a high order shell theory. The radial and axial displacements are assumed to have quadratic and cubic variations through the thickness, respectively. It is important that the radial stress is approximated by a cubic expansion satisfying the boundary conditions at the inner and outer surfaces, and the corresponding strain should be least-squares compatible with the strain derived from the strain-displacement relation. The equations of motion are derived from the integration of the equilibrium equations of stresses, which are solved by precise integration method (PIM). Numerical results are obtained, and compared with FE simulations and dynamic thermo-elasticity solutions, which indicates that the high order shell theory is capable of predicting the transient thermal response of an orthotropic (or isotropic) thick hollow cylinder efficiently, and for the detonation tube of actual pulse detonation engines (PDE) heated continuously, the thermal stresses will become too large to be neglected, which are not like those in the one time experiments with very short time.


Structural and Multidisciplinary Optimization | 2010

Optimal design of metallic sandwich tubes with prismatic cores to internal moving shock load

Jiaxi Zhou; Zichen Deng; Tao Liu; Xiuhui Hou


International Journal of Solids and Structures | 2009

Elastic structural response of prismatic metal sandwich tubes to internal moving pressure loading

Jiaxi Zhou; Zichen Deng; Tao Liu; Xiuhui Hou


Applied Mathematics and Mechanics-english Edition | 2010

Symplectic Analysis for Wave Propagation in One-Dimensional Nonlinear Periodic Structures

Xiuhui Hou; Zichen Deng; Jia‐xi Zhou


Acta Mechanica Sinica | 2010

Symplectic analysis for elastic wave propagation in two-dimensional cellular structures

Xiuhui Hou; Zichen Deng; Jiaxi Zhou; Tie-Quan Liu


Structural and Multidisciplinary Optimization | 2010

Optimal design of box-section sandwich beams subject to moving load

Xiuhui Hou; Zichen Deng; Jiaxi Zhou


Composite Structures | 2018

Effect of pre-load on wave propagation characteristics of hexagonal lattices

Kai Zhang; Yu-chao Su; Xiuhui Hou; Jun-Miao Meng; Zichen Deng


Composite Structures | 2018

Stress concentration in octagonal honeycombs due to defects

Shengchao Ouyang; Zichen Deng; Xiuhui Hou


Physica E-low-dimensional Systems & Nanostructures | 2017

A structural mechanics approach for the phonon dispersion analysis of graphene

Xiuhui Hou; Zichen Deng; Kai Zhang

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Zichen Deng

Northwestern Polytechnical University

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Jiaxi Zhou

Northwestern Polytechnical University

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Kai Zhang

Northwestern Polytechnical University

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Tao Liu

University of Cambridge

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Shengchao Ouyang

Northwestern Polytechnical University

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Tie-Quan Liu

Northwestern Polytechnical University

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Yu-chao Su

Northwestern Polytechnical University

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